Data Types Compared in Different Languages

This topic lists the data types for Visual Basic, C++, C#, JScript, and Visual FoxPro.

Table of Data Types

Content and size	Visual Basic	C++	C#	JScript	Visual FoxPro
Unknown data	n/a	VARIANT	Derive types, then link to Derived Types node.	Object	Variant
Decimal	Decimal (.NET Framework structure)	DECIMAL	decimal	decimal	n/a
Date	Date (.NET Framework structure)	DATE	DateTime	DateTime Date object	Date DateTime
SBCS character (1 byte)	n/a	signed char __int8	n/a	sbyte	Character
Unicode character (2 bytes)	Char (.NET Framework structure)	wchar_t	char	char	n/a
Unicode character sequence	String (.NET Framework class)	wchar_t*	string	String	VarChar
Boolean (platform dependent)	Boolean (.NET Framework structure)	VARIANT_BOOL	bool	boolean	Logical
1 byte	SByte Data Type (Visual Basic) (.NET Framework structure)	signed char	sbyte	n/a	n/a
2 bytes	Short (.NET Framework structure)	signed short int __int16	short	short	n/a
4 bytes	Integer (.NET Framework structure)	long, (long int, signed long int)	int	int	Integer
8 bytes	Long (.NET Framework structure)	__int64	long	long	Float
1 byte unsigned	Byte (.NET Framework structure)	BYTE bool	byte	byte	Integer
2 bytes unsigned	UShort Data Type (Visual Basic) (.NET Framework structure)	unsigned short	ushort	n/a	n/a
4 bytes unsigned	UInteger Data Type (.NET Framework structure)	unsigned int and unsigned long	uint	n/a	n/a
8 bytes unsigned	ULong Data Type (Visual Basic) (.NET Framework structure)	unsigned __int64	ulong	n/a	n/a
4 bytes floating point	Single (.NET Framework structure)	float	float	float	Float
8 bytes floating point	Double (.NET Framework structure)	double	double	Double	Double